Three vane louver



FIG. 1 is a front, top and right side perspective view of a three vanelouver in a closed position;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a front, top and right side perspective view of the three vanelouver rotated on an axis relative to a base in an open position;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a right side view thereof;

FIG. 10 is a left side view thereof; and,

FIG. 11 is a front, top and right side perspective view of the threevane louver without the base depicted for clarity.

The broken lines in the drawings are for illustrative purposes only andform no part of the claimed design.

CLAIM The ornamental design for a three vane louver, as shown anddescribed.